Path Of The Thunder Emperor ~Becoming The Strongest In Another World With [Thunder Magic] Which Only I Can Use!Raitei no Kiseki; 雷帝の軌跡; 雷帝の軌跡～俺だけ使える【雷魔術】で異世界最強に！～; Raitei no Kiseki: Ore dake Tsukaeru "Kaminari Majutsu" de Isekai Saikyou ni!; Trajectory of the Lightning Emperor; Path of the Thunder Emperor; Path of the Thunder Emperor: Becoming the Strongest in Another World with "Thunder Magic" Which Only I Can Use!